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I0010 over Lake Pontchartrain X-ove

St. Charles Parish, Louisiana · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I0010 over Lake Pontchartrain X-ove in St. Charles Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 29,468 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 49 of the 82 inventoried bridges in St. Charles Parish rated good (59.8%); 1 (1.2%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 134 ft
Location	3.3 Mi East of I-55
NBI structure number	024504501401459
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.

Bridge	Built	Vehicles/day	Condition
I0310 over Swamp	1992	56,783	Good
US0090 over Drain Ditch	1999	49,920	Good
US0090 over US 90 Turnarounds	2013	49,920	Good
US0090 over Davis Pond Diversion	2002	49,920	Good
US0090 over Drain Canal	1953	49,920	Fair
US0090 over Sellers Canal	1953	49,920	Fair